body {
    font-family: sans-serif;
}

#app {
    max-width: 500px;
    margin: 0 auto;
}

h1 {
    text-align: center;
}

h2 {
    font-size: 20px;
}

.test {
    padding: 10px 20px;
    border: 1px solid #ccc;
    margin: 10px 0;
}